National Cheeseburger Day is Friday, September 18, 2026. The best free-burger offers are not unconditional: most require a rewards account, app order or minimum purchase. Burger King, Dairy Queen, McDonald’s, Krystal and Huddle House have free-burger offers, while Smashburger offers a $1 burger and several chains offer buy-one-get-one (BOGO) deals or fixed-price meals.
Confirm the offer in the restaurant’s app or with your participating location before ordering. Taxes, gratuity, delivery fees, exclusions and limited participation can change the final cost.
Free cheeseburger offers on September 18
| Restaurant | What you get | What you must do | Where and when |
|---|---|---|---|
| Burger King | Free Bacon Cheeseburger | Join Royal Perks and make a purchase of at least $3 | September 18, 2026; app or website offer during Perks Week (September 14–20) |
| Dairy Queen | Free single Original Cheeseburger Signature Stackburger | DQ Rewards membership and an app order of at least $1 | September 14–18 at participating DQ Grill & Chill locations nationwide |
| McDonald’s | Free Double Cheeseburger | MyMcDonald’s Rewards membership and a purchase of at least $1 | September 18 at participating restaurants through the McDonald’s app |
| Krystal | Two free Original or Cheese Krystal sliders | Spend at least $5 in the Krystal app | September 18 |
| Huddle House | Free single smash burger | Rewards membership | September 18; participating locations and applicable ordering channels |
These are “free” items only after the stated purchase or membership condition is met. The minimum purchase normally applies before tax and may not include fees; check the offer screen for the location-specific definition.
Deals that make a burger free or nearly free
Smashburger: $1 single Smashburger
SmashRewards members can buy any single Smashburger for $1 on September 18 at participating locations nationwide. The offer is available in restaurants, through the Smashburger app and on first-party delivery, and it cannot be combined with other offers.
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Five Guys: buy one burger, get one free
From September 16 through September 18, add two burgers in the Five Guys app or at FiveGuys.com and apply code BOGOBURGER. The lower-priced burger is free. The code is limited to one use per customer and one code per transaction.
Buffalo Wild Wings: second cheeseburger free
On September 18, buy one regular-priced cheeseburger and receive a second cheeseburger of equal or lesser value free at participating locations. Verify whether the offer is restricted to dine-in, pickup or a particular ordering channel before checkout.
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MOOYAH Burgers, Fries & Shakes: burger BOGO
MOOYAH Rewards members can receive buy-one-get-one pricing on all MOOYAH burgers, including the MOOYAH Cheeseburger, through the app on September 18. Participating restaurants and app terms apply.
Jollibee: Angus Cheeseburger BOGO
New Jollibee Rewards members in the United States and Canada can receive a BOGO Angus Cheeseburger offer from September 18 through September 21. After signing up, the offer is added to the rewards wallet; terms and participating locations apply.
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Rewards members who buy a cheeseburger on September 18 receive a voucher for a free cheeseburger on a future visit. The promotion is available in restaurants and through the Dog Haus app, but the voucher’s expiration and redemption conditions determine its real value.
Discounted cheeseburger meals and other savings
| Restaurant | Deal | Date or window | Important channel or eligibility detail |
|---|---|---|---|
| Applebee’s | Classic Burger or Classic Cheeseburger with fries for $8.99 | September 18, 2026 | Official terms specify dine-in, Applebee’s website or mobile app only |
| Perkins Restaurant & Bakery | BFP (Burger, Fries & Pie) meal for $10.99 | September 18, 2026 | Confirm participating restaurant and any ordering restrictions |
| Sullivan’s Steakhouse | Signature Angus Burger and fries for $15 | September 18, 2026 | Online takeout or delivery order |
| Wahlburgers | 50% off Our Burger or Our Burger Smash/HD Smash | September 17, 2026 | One day before National Cheeseburger Day; participation and channel restrictions may apply |
| Tender Greens | Free drink with a Tender Burger or Tender Burger Plate | September 18, 2026 | Rewards membership required |
How to redeem a deal without losing the discount
- Check the date. Most promotions are valid only September 18, 2026; Wahlburgers’ 50% offer is September 17, and Jollibee’s window runs September 18–21.
- Join the correct rewards program before ordering. Royal Perks, DQ Rewards, MyMcDonald’s Rewards, Krystal’s app, SmashRewards, Huddle House Rewards, MOOYAH Rewards, Jollibee Rewards and Tender Greens Rewards each have separate enrollment and redemption systems.
- Use the required channel. Some offers require an app or first-party website, while others can be redeemed in a restaurant. Applebee’s expressly limits its $8.99 deal to dine-in, its website or mobile app; third-party delivery may not qualify.
- Meet the minimum purchase or buy-one condition. The $1, $3 and $5 thresholds are required spending, not the final bill. BOGO offers generally make the equal-or-lower-priced item free.
- Select a participating location. Franchise participation, regional availability, inventory and local terms can differ even within the same chain.
- Review the cart before paying. Confirm that the free item, coupon or wallet reward is displayed. Account enrollment may not instantly produce a reward, and taxes, service charges, delivery fees and gratuity may remain payable.
Which offer is cheapest?
For a customer already planning a small purchase, a $1 minimum offer can be the lowest-cost route: Dairy Queen requires an app order of at least $1, and McDonald’s requires a $1 minimum purchase. Burger King requires $3, while Krystal requires $5. Smashburger’s $1 burger has no stated minimum purchase in the offer summary, but it does require SmashRewards membership and participation by the location.
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BOGO offers are more valuable when two people want burgers. Five Guys, Buffalo Wild Wings, MOOYAH and Jollibee require buying one burger to obtain another, so they do not reduce the cost of a single-burger order as much as a free-item-with-minimum-purchase offer. Applebee’s $8.99 meal, Perkins’ $10.99 meal and Sullivan’s $15 meal are straightforward paid options when a free-burger promotion is unavailable or its required purchase would cost more.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Important restrictions to check
- Offers generally apply only at participating locations and may be limited by inventory or local franchise policy.
- Taxes, gratuity, delivery charges and service fees are usually not covered by the promotional item.
- Third-party delivery platforms may be excluded when the terms require a brand app, website or in-store order.
- Most promotions cannot be combined with another coupon or reward; Smashburger expressly prohibits combining offers.
- Rewards accounts can have age, geographic, email or phone requirements, and a newly created account may not display a reward immediately.
- For BOGO promotions, the free item is generally the equal- or lesser-priced item unless the restaurant’s terms say otherwise.
Bottom line for September 18, 2026
Start with the offer that matches your order: Dairy Queen or McDonald’s for a free burger with a $1 minimum, Burger King with a $3 minimum, Krystal with a $5 purchase, or Smashburger’s $1 burger. If you are feeding two people, compare the BOGO terms at Five Guys, Buffalo Wild Wings, MOOYAH or Jollibee. Check the live offer in the restaurant’s own app or website immediately before ordering because participation, channels and fees can change.
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